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公开(公告)号：US08442064B2
公开(公告)日：2013-05-14
申请号：US12727751
申请日：2010-03-19
IPC分类号： H04L12/28
CPC分类号： H04L49/00 , H04L45/245 , H04L49/10 , H04L49/70 , Y02D30/30
摘要： Access switches in a switching system may use virtual aggregated links. When a link between an aggregation switch and an access switch fails, the link failure may be reflected in the virtual aggregated link and data traffic to another access switch may be switched away from the failed switch. A forwarding table in the access switch stores a number of entries that each define a correspondence between destination addresses and an output identifier for the switch. At least a first output identifier includes an aggregated link that represents a first set of possible output links. At least a second output identifier includes a virtual aggregated link, associated with a second network switch that represents a second set of possible output links. Destination addresses in the forwarding table for the virtual aggregated link correspond to network devices connected to the second network switch.
摘要翻译： 交换系统中的接入交换机可以使用虚拟聚合链路。 当聚合交换机与接入交换机之间的链路发生故障时，链路故障可能反映在虚拟聚合链路中，并且到另一接入交换机的数据流量可能会从故障交换机切换。 访问交换机中的转发表存储多个条目，每个条目定义目的地址与交换机的输出标识符之间的对应关系。 至少第一输出标识符包括代表第一组可能输出链路的聚合链路。 至少第二输出标识符包括与表示第二组可能输出链路的第二网络交换机相关联的虚拟聚合链路。 用于虚拟聚合链路的转发表中的目的地址对应于连接到第二网络交换机的网络设备。
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公开(公告)号：US08018891B2
公开(公告)日：2011-09-13
申请号：US12835549
申请日：2010-07-13
CPC分类号： H04L41/0886 , H04L41/0668 , H04L41/0806 , H04L41/0893 , H04L45/00 , H04L45/58 , H04L45/583 , Y02D30/30
摘要： In general, techniques are described in which a plurality of network switches automatically configure themselves to operate as a single virtual network switch. A virtual switch is a collection of individual switch devices that operate like as single network switch. As described herein, network switches in a network that are capable of participating in a virtual switch may automatically discover one another. The participating network switches may then elect one of the participating switches as a master switch. The master switch may generate forwarding information and store the forwarding information in the participating switches, including the master switch. The forwarding information causes the participating switches to act like a single network switch.
摘要翻译： 通常，描述了其中多个网络交换机自动配置自身以作为单个虚拟网络交换机操作的技术。 虚拟交换机是像单个网络交换机一样操作的单独交换机设备的集合。 如本文所述，能够参与虚拟交换机的网络中的网络交换机可以自动地彼此发现。 参与的网络交换机然后可以将参与交换机之一作为主交换机。 主交换机可以生成转发信息，并将转发信息存储在参与交换机中，包括主交换机。 转发信息使参与的交换机像单个网络交换机那样起作用。
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公开(公告)号：US07756027B1
公开(公告)日：2010-07-13
申请号：US11818164
申请日：2007-06-13
CPC分类号： H04L41/0886 , H04L41/0668 , H04L41/0806 , H04L41/0893 , H04L45/00 , H04L45/58 , H04L45/583 , Y02D30/30
摘要： In general, techniques are described in which a plurality of network switches automatically configure themselves to operate as a single virtual network switch. A virtual switch is a collection of individual switch devices that operate like as single network switch. As described herein, network switches in a network that are capable of participating in a virtual switch may automatically discover one another. The participating network switches may then elect one of the participating switches as a master switch. The master switch may generate forwarding information and store the forwarding information in the participating switches, including the master switch. The forwarding information causes the participating switches to act like a single network switch.
摘要翻译： 通常，描述了其中多个网络交换机自动配置自身以作为单个虚拟网络交换机操作的技术。 虚拟交换机是像单个网络交换机一样操作的单独交换机设备的集合。 如本文所述，能够参与虚拟交换机的网络中的网络交换机可以自动地彼此发现。 参与的网络交换机然后可以将参与交换机之一作为主交换机。 主交换机可以生成转发信息，并将转发信息存储在参与交换机中，包括主交换机。 转发信息使参与的交换机像单个网络交换机那样起作用。
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公开(公告)号：US08295172B1
公开(公告)日：2012-10-23
申请号：US11763112
申请日：2007-06-14
申请人： Ankur Singla , Harshad Nakil , Rajashekar Reddy
发明人： Ankur Singla , Harshad Nakil , Rajashekar Reddy
CPC分类号： H04L49/205 , H04L49/505
摘要： A device receives network traffic and bypass traffic, performs a first weighting operation on the network traffic and the bypass traffic to produce weighted network traffic and weighted bypass traffic, performs a second weighting operation on the weighted network traffic and the weighted bypass traffic to produce additionally weighted traffic, and transmits the additionally weighted traffic based on weights assigned by the second weighting operation.
摘要翻译： 设备接收网络流量和旁路流量，对网络流量和旁路流量执行第一加权操作以产生加权网络流量和加权旁路流量，对加权网络流量和加权旁路流量执行第二加权操作以产生附加 加权流量，并且基于由第二加权操作分配的权重来发送额外加权的流量。
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公开(公告)号：US20110228767A1
公开(公告)日：2011-09-22
申请号：US12727751
申请日：2010-03-19
IPC分类号： H04L12/56
CPC分类号： H04L49/00 , H04L45/245 , H04L49/10 , H04L49/70 , Y02D30/30
摘要： Access switches in a switching system may use virtual aggregated links. When a link between an aggregation switch and an access switch fails, the link failure may be reflected in the virtual aggregated link and data traffic to another access switch may be switched away from the failed switch. A forwarding table in the access switch stores a number of entries that each define a correspondence between destination addresses and an output identifier for the switch. At least a first output identifier includes an aggregated link that represents a first set of possible output links. At least a second output identifier includes a virtual aggregated link, associated with a second network switch that represents a second set of possible output links. Destination addresses in the forwarding table for the virtual aggregated link correspond to network devices connected to the second network switch.
摘要翻译： 交换系统中的接入交换机可以使用虚拟聚合链路。 当聚合交换机与接入交换机之间的链路发生故障时，链路故障可能反映在虚拟聚合链路中，并且到另一接入交换机的数据流量可能会从故障交换机切换。 访问交换机中的转发表存储多个条目，每个条目定义目的地址与交换机的输出标识符之间的对应关系。 至少第一输出标识符包括代表第一组可能输出链路的聚合链路。 至少第二输出标识符包括与表示第二组可能输出链路的第二网络交换机相关联的虚拟聚合链路。 用于虚拟聚合链路的转发表中的目的地址对应于连接到第二网络交换机的网络设备。
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公开(公告)号：US07231475B1
公开(公告)日：2007-06-12
申请号：US10768924
申请日：2004-01-30
申请人： Ankur Singla , Harshad Nakil , Rajashekar Reddy
发明人： Ankur Singla , Harshad Nakil , Rajashekar Reddy
IPC分类号： G06F13/362
CPC分类号： G06F13/3625
摘要： A bus arbitration system and method allocates total bus bandwidth between latency sensitive and latency insensitive interfaces by utilizing windows to divide the total bandwidth into latency sensitive and latency insensitive portions. Each interface is initially allocated top-up numbers of latency sensitive and latency insensitive tokens to proportionally allocate bus accesses between the interfaces according to their requirements. For an interface having access to the bus, the number of tokens is decremented for each successful bus transfer.
摘要翻译： 总线仲裁系统和方法通过利用窗口将总带宽划分为延迟敏感和延迟不敏感部分，在延迟敏感和延迟不敏感接口之间分配总总线带宽。 每个接口最初都会分配充值的延迟敏感和延迟不敏感的令牌，以根据接口的要求按比例分配总线访问。 对于具有访问总线的接口，对于每次成功的总线传输，令牌的数量减少。
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17.发明授权Redirecting data units to service modules based on service tags and a redirection table 有权基于服务标签和重定向表将数据单元重定向到服务模块公开(公告)号：US08284664B1
公开(公告)日：2012-10-09
申请号：US11863480
申请日：2007-09-28
申请人： Gunes Aybay , Harshad Nakil , Fuguang Shi , Jack Kohn , David Rowell
发明人： Gunes Aybay , Harshad Nakil , Fuguang Shi , Jack Kohn , David Rowell
IPC分类号： H04J1/16
CPC分类号： H04L67/327 , H04L41/12 , H04L49/3009 , H04L49/355 , H04L69/22
摘要： A device may receive a data unit and identify a class of the received data unit. The device may further obtain a service tag based on the class of the data unit and send the service tag and the data unit to a service module in the network device. The service module may perform a service for the data unit.
摘要翻译： 设备可以接收数据单元并且识别所接收的数据单元的类别。 该设备还可以基于数据单元的类别进一步获取服务标签，并将服务标签和数据单元发送到网络设备中的服务模块。 服务模块可以为数据单元执行服务。
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公开(公告)号：US20120098338A1
公开(公告)日：2012-04-26
申请号：US13339088
申请日：2011-12-28
申请人： Hogan LEW , Ankur Singla , Harshad Nakil
发明人： Hogan LEW , Ankur Singla , Harshad Nakil
IPC分类号： H02J1/10
CPC分类号： H02J1/10 , H02J9/061 , H02J2009/068 , H05K7/20 , Y10T307/305 , Y10T307/313 , Y10T307/344 , Y10T307/391 , Y10T307/62
摘要： A system may include a switchover element configurable to source or sink power from or to an electronic device electrically coupled to the switchover element and a controller in communication with the switchover element. The controller may be configured to determine if the electronic device is healthy. When the electronic device is healthy, the controller may configure the switchover element to deliver power from the electronic device to the system and configure the switchover element to provide the power to any unhealthy electronic device electrically coupled to the system.
摘要翻译： 系统可以包括可配置为从电切换元件电耦合的电子设备来源或吸收功率的切换元件和与切换元件通信的控制器。 控制器可以被配置为确定电子设备是否健康。 当电子设备健康时，控制器可以配置切换元件以将电力从电子设备传送到系统，并配置切换元件以向与系统电耦合的任何不健康的电子设备提供电力。
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19.发明授权Identification of potential network threats using a distributed threshold random walk 有权使用分布式阈值随机游走识别潜在的网络威胁公开(公告)号：US07768921B2
公开(公告)日：2010-08-03
申请号：US11589645
申请日：2006-10-30
申请人： Harshad Nakil , Bryan Burns , Ankur Singla
发明人： Harshad Nakil , Bryan Burns , Ankur Singla
IPC分类号： G08B23/00
CPC分类号： H04L63/1425
摘要： In general, the invention is directed to techniques of identifying an infected network device in a computer network where traffic to and from the infected network device is not necessarily routed through a single point on the computer network. For example, individual line cards in network devices count incoming network flows from network devices in host tables. The host tables of all line cards of all participating network devices are then correlated. It is then determined whether the number of flows from a network device outweighs the number of flows to the network device to a significant degree. If so, the network device may be considered suspicious. Packets from a suspicious network device may be rerouted to a network security device for more thorough inspection.
摘要翻译： 通常，本发明涉及识别计算机网络中感染的网络设备的技术，其中来往和来自被感染的网络设备的流量不一定通过计算机网络上的单个点路由。 例如，网络设备中的各个线路卡从主机表中的网络设备计数传入的网络流。 然后，所有参与的网络设备的所有线路卡的主机表相关。 然后确定来自网络设备的流量是否大大超过了到网络设备的流量的数量。 如果是这样，网络设备可能被认为是可疑的。 来自可疑网络设备的数据包可能会重新路由到网络安全设备以进行更全面的检查。
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公开(公告)号：US09276405B2
公开(公告)日：2016-03-01
申请号：US13339088
申请日：2011-12-28
申请人： Hogan Lew , Ankur Singla , Harshad Nakil
发明人： Hogan Lew , Ankur Singla , Harshad Nakil
CPC分类号： H02J1/10 , H02J9/061 , H02J2009/068 , H05K7/20 , Y10T307/305 , Y10T307/313 , Y10T307/344 , Y10T307/391 , Y10T307/62
摘要： A system may include a switchover element configurable to source or sink power from or to an electronic device electrically coupled to the switchover element and a controller in communication with the switchover element. The controller may be configured to determine if the electronic device is healthy. When the electronic device is healthy, the controller may configure the switchover element to deliver power from the electronic device to the system andconfigure the switchover element to provide the power to any unhealthy electronic device electrically coupled to the system.
摘要翻译： 系统可以包括可配置为从电切换元件电耦合的电子设备来源或吸收功率的切换元件和与切换元件通信的控制器。 控制器可以被配置为确定电子设备是否健康。 当电子设备健康时，控制器可以配置切换元件以将电力从电子设备传送到系统，并且配置切换元件以向与该系统电耦合的任何不健康的电子设备提供电力。
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